The sum of 12 and a number
(12 + n)
is no greater
< =
then the sum of twice the number and 8
(2n +(-8)) = (2n - 8)
so we have :
(12 + n) < = (2n - 8)
3x + 8(2) = 19, 3x + 16= 19 , 3x=3 , x =1
Answer:
53
Step-by-step explanation:
FIrst, put the numbers in order from least to greatest:
22, 37, 41, 48, 52, 54, 65, 71,71, 81
When you croos of 4 numbers from the left and 4 from the right. 52 and 54 are the 2 numbers in the middle.
52+54=106
106/2=53
Ms alvadaro 2:1 mr lowry 3:2
3+2=5 2+1=3
5:3
45/5=9 27/3=9
2·9=18 1·9=9